1097205500457 has 24 divisors (see below), whose sum is σ = 1749760373088. Its totient is φ = 656961302400.

The previous prime is 1097205500453. The next prime is 1097205500477. The reversal of 1097205500457 is 7540055027901.

1097205500457 is a `hidden beast` number, since 1 + 0 + 97 + 2 + 0 + 5 + 500 + 4 + 57 = 666.

It is not a de Polignac number, because 1097205500457 - 2² = 1097205500453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1097205500453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66756144 + ... + 66772577.

It is an arithmetic number, because the mean of its divisors is an integer number (72906682212).

Almost surely, 2^{1097205500457} is an apocalyptic number.

It is an amenable number.

1097205500457 is a deficient number, since it is larger than the sum of its proper divisors (652554872631).

1097205500457 is a wasteful number, since it uses less digits than its factorization.

1097205500457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133528821 (or 133528818 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 1097205500457 in words is "one trillion, ninety-seven billion, two hundred five million, five hundred thousand, four hundred fifty-seven".